package string;

public class tchesDemoMa {
    public static void main(String[] args) {
        /*
        邮箱正则表达式
        [a-zA-Z0-9_]+@[a-zA-Z0-9]+(\.[a-zA-Z]+)+

         */
        String email ="wangkj@tedu.cn";
        String regex ="[a-zA-Z0-9_]+@[a-zA-Z0-9]+(\\.[a-zA-Z]+)+";
        boolean match=email.matches(regex);
        if(match){
            System.out.println("邮箱格式正确");
       }else {
            System.out.println("邮箱格式不符合要求");
        }

    }
}
